is it legal? The only piece that concerns me is that fact that it can be "stacked" which I'm guessing means another compensator can be screwed into it. Does anyone run one of these or think it would or would not be legal in NY? I gave the manufacturer a call just now, but had to leave a voicemail 
"This Compensator also features the ability to "Stack" multiple comps end to end giving further options to the end user."
EFFIN-A Compensator 5.56
"This Compensator also features the ability to "Stack" multiple comps end to end giving further options to the end user."
EFFIN-A Compensator 5.56
